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A BUN test measures the amount of urea nitrogen that's in your blood. Here's how your body typically forms and gets rid of urea nitrogen: Your liver produces ammonia — which contains nitrogen — after it breaks down proteins used by your body's cells.
Hemolytic uremic syndrome (HUS) is a condition that can occur when small blood vessels become damaged and inflamed. This damage can cause clots to form in the vessels all through the body. The clots can damage the kidneys and other organs.
A creatinine test is a measure of how well your kidneys are performing their job of filtering waste from your blood. Creatinine is a chemical compound left over from energy-producing processes in your muscles. Healthy kidneys filter creatinine out of the blood. Creatinine exits your body as a waste product in urine.
Bundle branch block is a condition in which there's a delay or blockage along the pathway that electrical impulses travel to make the heart beat. It sometimes makes it harder for the heart to pump blood to the rest of the body.
Transurethral resection of the prostate (TURP) is a common surgery that's used to treat urinary problems that are caused by an enlarged prostate. An instrument called a resectoscope is placed through the tip of the penis. It is then passed through the tube that carries urine from your bladder, called the urethra.
IgA nephropathy (nuh-FROP-uh-thee), also known as Berger disease, is a kidney disease. It happens when a germ-fighting protein called immunoglobulin A (IgA) builds up in the kidneys. This causes a type of swelling called inflammation that, over time, can make it harder for the kidneys to filter waste from the blood.
Peripheral artery disease (PAD) is a common condition in which narrowed arteries reduce blood flow to the arms or legs. This condition also may be called peripheral arterial disease. In PAD, the legs or arms — usually the legs — don't get enough blood flow to keep up with demand.
End-stage renal disease usually occurs when kidney function is less than 15% of typical kidney function. As a part of kidney disease staging, your provider also might test whether you have protein in your urine. Kidney disease stage. GFR, mL/min.
Most infections involve the lower urinary tract — the bladder and the urethra. Women are at greater risk of developing a UTI than are men. If an infection is limited to the bladder, it can be painful and annoying. But serious health problems can result if a UTI spreads to the kidneys.
Chronic obstructive pulmonary disease (COPD) is an ongoing lung condition caused by damage to the lungs. The damage results in swelling and irritation, also called inflammation, inside the airways that limit airflow into and out of the lungs. This limited airflow is known as obstruction. Symptoms include trouble breathing, a daily cough that ...